Home / 17,121.78-23,627.70-9,567.90

Finding the Fourth Proportional to 17,121.78, 23,627.70 and 9,567.90

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Solution

The fourth proportional to 17,121.78, 23,627.70 and 9,567.90 is: 13,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.78 : 23,627.70 = 9,567.90 : x
  2. Step 2: Convert to fraction form
    17,121.78/23,627.70 = 9,567.90/x
  3. Step 3: Cross multiply
    17,121.78x = 23,627.70 × 9,567.90
  4. Step 4: Simplify right side
    17,121.78x = 226,067,470.83
  5. Step 5: Solve for x
    x = 226,067,470.83/17,121.78
  6. Step 6: Final answer
    x = 13,203.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.